package com.class04.mapper;

import com.class04.pojo.User;

import java.util.List;

/**
 * @ClassDescription:
 * @JdkVersion: 17
 * @Author: yxy
 * @Created: 2023/11/21 15:32
 */
public interface UserMapper {
    //    插入用户数据
    int insert(User user);

    int update(User user);

    int dalete(Integer id);

    User selectById(Integer id);

    List<User> selectAll();

}
